Loudspeaker



FIG. 1 is a front elevation of a loudspeaker showing my new design;

FIG. 2 is a left elevation thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side elevation thereof;

FIG. 7 is a rear elevation thereof; and

FIG. 8 is a rear perspective view thereof.

The ornamental design for a loudspeaker, as shown and described.